Class 1

Service codes of service class 1 appear mostly only temporarily, their cause lies in the public mains network.

The first reaction of your FRONIUS IG unit is to disconnect from the mains. Subsequently the mains network will be checked for the duration of the observation period stipulated. If after the end of this period no further defect is identified, your FRONIUS IG unit resumes operating and feeding power into the mains network.

The following schedule lists a number of service codes with their respective designation, description, and repair measures.

Code Designation

101 Mains voltage not within admissible range

104 Mains frequency not within admissible range

107 AC mains network not available

108 Islanding detected

Description

As soon as the mains voltage, after detailed check procedure has returned to admissible range, FRONIUS IG resumes feeding power into the mains network

As soon as mains frequency after detailed check procedure has returned to admissible range, FRONIUS IG resumes feeding power into the mains network

As soon as the mains network conditions after detailed check procedure have returned to admissible range, FRONIUS IG resumes feeding power into the mains network

FRONIUS IG resumes feeding power into the mains network as soon as the mains network conditions have returned to the permissible range following detailed checking procedures.

Repair

Check mains voltage

If the service code does not disappear you should contact your installation specialist Check mains frequency

If the service code does not disappear you should contact your installation specialist

Check mains connections and fuses

If the service code does not disappear you should contact your installation specialist Contact your installation specialist if the service code fails to disappear.